# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        博智科技  
# Name:         test05
# Description:
# Author:       yzl
# Date:         2019-01-14
#-------------------------------------------------------------------------------

age = input('please input your age:')
# print(name) ctrl + /
# print(type(name))

age = int(age) + 2
print(age)





